A LA CENTAUREA BIO anti-yellowing shampoo for grey and blond hair by KLORANE .
We selected organic knapweed for its cyanocentaury content, a plant-based pigment with bluish tones traditionally used to give white or gray hair a silvery shine. Klorane's organic knapweed anti-yellow shampoo formula gives hair subtle cool tones. Soft and easy to comb, it reveals hair's true beauty and shine.